scrapers.py 文件源码

def parse_values(self, entries):
        """Create new CO2 measurements."""
        values = []

        for entry in entries:
            try:
                co2_date = dt.strptime(entry[0], '%Y-%m-%d')
            except (ValueError, IndexError):
                continue

            try:
                co2_ppm = Decimal(entry[1])
            except (InvalidOperation, IndexError):
                continue

            values.append((co2_date, co2_ppm))

        return values